Selection of operation mode and operation location
4.19.2 Operation mode at power-on (Pr. 79, Pr. 340)
When power is switched on or when power comes back on after instantaneous power failure, the inverter can be
started up in the network operation mode.
After the inverter has started up in the network operation mode, parameter write and operation can be performed from
a program.
Set this mode for communication operation using PU connector or communication option.
Parameter
Number
79
Operation mode selection
Communication startup
340 ∗
mode selection
The above parameters can be changed during a stop in any operation mode.
* The above parameters can be set when
is connected. (Refer to page 177)
(1) Specify operation mode at power-on (Pr. 340)
Depending on the Pr. 79 and Pr. 340 settings, the operation mode at power-on (reset) changes as described below.
Pr. 340
Pr. 79
Operation Mode at Power-on, Power
Setting
Setting
0
(initial
External operation mode
value)
1
PU operation mode
2
External operation mode
0
(initial
3, 4
External/PU combined mode
value)
6
External operation mode
X12 (MRS) signal ON ....External operation
mode
7
X12 (MRS) signal off .......External operation
mode
0
NET operation mode
1
PU operation mode
2
NET operation mode
3, 4
External/PU combined mode
6
NET operation mode
1
X12 (MRS) signal ON .......NET operation
mode
7
X12(MRS) signal off ...........External operation
mode
0
NET operation mode
1
PU operation mode
2
NET operation mode
3, 4
External/PU combined mode
10
6
NET operation mode
7
External operation mode
∗1
Operation mode can not be directly changed between the PU operation mode and network operation mode
∗2
Operation mode can be changed between the PU operation mode and network operation mode with
Parameters referred to
Pr. 79 Operation mode selection
190
Name
Initial Value
Pr. 160 User group read selection =
Restoration, Reset
Refer to page 180
Setting Range
0
0 to 4, 6, 7
0
1
0
10
. However,
"0"
the parameters can be set whenever the communication option
Operation Mode Switching
Switching among the external, PU and Net operation mode is
enabled ∗1
Fixed to PU operation mode
Switching between the external and NET operation mode is enabled
Switching to PU operation mode disabled
Operation mode switching disabled
Switching among the external, PU, and NET operation mode is
enabled while running.
Switching among the external, PU and Net operation mode is
enabled ∗1
Fixed to external operation mode (Forcibly switched to external
operation mode.)
Same as when Pr. 340 = "0"
Switching between the PU and Net operation mode is enabled ∗2
Same as when Pr. 340 = "0"
Fixed to NET operation mode
Same as when Pr. 340 = "0"
Switching between the PU and NET operation mode is enabled
while running ∗2
Same as when Pr. 340 = "0"
Description
Operation mode selection
(Refer to page 183)
As set in Pr. 79.
Network operation mode
Network operation mode
Operation mode can be changed between
the PU operation mode and network
operation mode from the operation panel.
key of the operation panel and X65 signal.